21st Public Order Brigade (Ukraine)

21st Public Order Protection Brigade
21-ша окрема бригада охорони громадського порядку (Ukrainian)
Brigade Insignia
Founded1992 (1992)
Country Ukraine
Allegiance Ministry of Internal Affairs
Branch National Guard of Ukraine
TypeBrigade
RoleLaw enforcement, protection of the Ukrainian territorial integrity
Part of National Guard of Ukraine
Garrison/HQKropyvnytskyi and Kryvyi Rih
Nickname(s)Petro Kalnyshevsky Brigade
PatronPetro Kalnyshevsky
EngagementsRusso-Ukrainian war
Commanders
Current
commander
Colonel Oleksandr Gennadiyovych Alenin
Notable
commanders
Colonel Oleksandr Vitaliyovych Radievskyi 
Insignia
Former Insignia

The 21st Separate Public Order Protection Brigade is a law enforcement brigade of the National Guard of Ukraine tasked with protection of the law and order as well as the territorial integrity of Ukraine. It was established in 1992 on the basis of the 25th Separate Special Motorized Militia Battalion as the 6th Regiment. The brigade's main headquarters is in Kryvyi Rih but some parts of it are garrisoned at Kropyvnytskyi.